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    <title>clGetSamplerInfo</title>
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        <a xmlns="http://www.w3.org/1999/xhtml" id="clGetSamplerInfo"></a>
        <h1>     
            clGetSamplerInfo
        </h1>
        <p>          
            Returns information about the sampler object.
        </p>
      </div>
      <div class="refsynopsisdiv">
        <h2></h2>
        <div class="funcsynopsis">
          <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0">
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              <td>
                <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">
                    <a class="link" href="scalarDataTypes.html" target="_top">cl_int</a>
 <strong class="fsfunc">clGetSamplerInfo</strong>
                (</code>
                <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_sampler</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">sampler</var>, </td>
              </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="enums.html#cl_sampler_info" target="_top">cl_sampler_info</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">param_name</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="_top">size_t</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">param_value_size</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="_top">void</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*param_value</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="_top">size_t</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*param_value_size_ret</var><code>)</code></td>
            </tr>
          </table>
        </div>
      </div>
      <div class="refsect1">
        <a id="parameters"></a>
        <h2>Parameters</h2>
        <div class="variablelist">
          <dl class="variablelist">
            <dt>
              <span class="term">
                <code class="varname">sampler</code>
              </span>
            </dt>
            <dd>
              <p>Specifies the sampler being queried.</p>
            </dd>
            <dt>
              <span class="term">
                <code class="varname">param_name</code>
              </span>
            </dt>
            <dd>
              <p> 
                        Specifies the information to query. The list of supported 
						<code class="varname">param_name</code> types and the information returned in 
						<code class="varname">param_value</code> by <code class="function">clGetSamplerInfo</code> is described in the table below.
                    </p>
            </dd>
            <dt>
              <span class="term">
                    <code class="varname"> 
                        param_value
                    </code>
                </span>
            </dt>
            <dd>
              <p> 
                        A pointer to memory where the appropriate result being queried is 
						returned. If <code class="varname">param_value</code> is NULL, it is ignored.
                    </p>
            </dd>
            <dt>
              <span class="term">
                    <code class="varname"> 
                        param_value_size
                    </code>
                </span>
            </dt>
            <dd>
              <p> 
                        Specifies the size in bytes of memory pointed to by 
						<code class="varname">param_value</code>. This size must be greater than or equal to size of 
						return type as described in the table below.
                    </p>
            </dd>
            <dt>
              <span class="term">
                    <code class="varname"> 
                        param_value_size_ret
                    </code>
                </span>
            </dt>
            <dd>
              <p> 
                        Returns the actual size in bytes of data copied to <code class="varname">param_value</code>. 
						If <code class="varname">param_value_size_ret</code> is NULL, it is ignored.
                    </p>
            </dd>
            <dt></dt>
            <dd>
              <div class="informaltable">
                <table class="informaltable" border="1">
                  <colgroup>
                    <col align="left" class="col1" />
                    <col align="left" class="col2" />
                  </colgroup>
                  <thead>
                    <tr>
                      <th align="left">cl_sampler_info</th>
                      <th align="left">Return Type and Info. returned in <code class="varname">param_value</code></th>
                    </tr>
                  </thead>
                  <tbody>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_SAMPLER_REFERENCE_COUNT</code>
                      </td>
                      <td align="left">Return type: cl_uint
                                        <p>Return the <code class="varname">sampler</code> reference count. The reference count returned should be considered immediately stale. It is unsuitable 
										for general use in applications. This feature is provided for 
										identifying memory leaks.</p>
                                    </td>
                    </tr>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_SAMPLER_CONTEXT</code>
                      </td>
                      <td align="left">Return type: cl_context
                                        <p>Return the context specified when the sampler is created.</p></td>
                    </tr>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_SAMPLER_ADDRESSING_MODE</code>
                      </td>
                      <td align="left">Return type: cl_addressing_mode
                                        <p>Return the value specified by <code class="varname">addressing_mode</code> argument to <a class="citerefentry" href="clCreateSampler.html"><span class="citerefentry"><span class="refentrytitle">clCreateSampler</span></span></a>.</p></td>
                    </tr>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_SAMPLER_FILTER_MODE</code>
                      </td>
                      <td align="left">Return type: cl_filter_mode
                                        <p>Return the value specified by <code class="varname">filter_mode</code> argument to 
									<a class="citerefentry" href="clCreateSampler.html"><span class="citerefentry"><span class="refentrytitle">clCreateSampler</span></span></a>.</p></td>
                    </tr>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_SAMPLER_NORMALIZED_COORDS</code>
                      </td>
                      <td align="left">Return type: cl_bool
                                        <p>Return the value specified by <code class="varname">normalized_coords</code> argument to 									<a class="citerefentry" href="clCreateSampler.html"><span class="citerefentry"><span class="refentrytitle">clCreateSampler</span></span></a>. </p></td>
                    </tr>
                  </tbody>
                </table>
              </div>
            </dd>
          </dl>
        </div>
      </div>
      <div class="refsect1">
        <a id="errors"></a>
        <h2>Errors</h2>
        <p>
            Returns <span class="errorname">CL_SUCCESS</span> if the function is 
			executed successfully, otherwise returns <span class="errorname">CL_INVALID_VALUE</span> if <code class="varname">param_name</code> is not valid, or if size in bytes specified by <code class="varname">param_value_size</code> is less than return type as described in the table above and <code class="varname">param_value</code> is not NULL, and returns <span class="errorname">CL_INVALID_SAMPLER</span> if 
			<code class="varname">sampler</code> is a not a valid sampler object.
        </p>
      </div>
      <div class="refsect1">
        <a id="specification"></a>
        <h2>Specification</h2>
        <p>
            <img src="pdficon_small1.gif" />
			
				      
            <a href="http://www.khronos.org/registry/cl/specs/opencl-1.0.pdf#page=86" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="clCreateSampler.html"><span class="citerefentry"><span class="refentrytitle">clCreateSampler</span></span></a>, 
			<a class="citerefentry" href="clRetainSampler.html"><span class="citerefentry"><span class="refentrytitle">clRetainSampler</span></span></a>, 
			<a class="citerefentry" href="clReleaseSampler.html"><span class="citerefentry"><span class="refentrytitle">clReleaseSampler</span></span></a>
        </p>
      </div>
      <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p>Copyright © 2007-2009 The Khronos Group Inc. 
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and/or associated documentation files (the
"Materials"), to deal in the Materials without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Materials, and to
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